Lenovo Q180 Replacing the CPU heatsink and system fan, To replace the CPU heatsink and system fan

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Step 1. Remove any media (disks, CDs, or memory cards) from the drives, shut down the operating system, and turn off the computer and all attached devices.

Step 2. Unplug all power cords from electrical outlets.

Step 3. Disconnect all cables attached to the computer. This includes power cords, input/output (I/O) cables, and any other cables that are connected to the computer. Refer to “Left and right view” and “Rear view” for help with locating the various connectors.

Step 4. Remove the computer cover. Refer to “Removing the computer cover”.

Step 5. Disconnect the WLAN antenna cable. Refer to “Replacing the WLAN card”.

Step 6. Lift up the power button as shown.

Replacing the CPU heatsink and system fan

Note: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover.

Note: It may be helpful to place the computer face-down on a soft flat surface for this procedure. Lenovo recommends that you use a blanket, towel, or other soft cloth to protect the computer screen from scratches or other damage.

To replace the CPU heatsink and system fan:

Step 1. Remove any media (disks, CDs, or memory cards) from the drives, shut down the operating system, and turn off the computer and all attached devices.

Step 2. Unplug all power cords from electrical outlets.

Step 3. Disconnect all cables attached to the computer. This includes power cords, input/output (I/O) cables, and any other cables that are connected to the computer. Refer to “Left and right view” and “Rear view” for help with locating the various connectors.

Step 4. Remove the computer cover. Refer to “Removing the computer cover”.

Step 5. Remove the 4 screws that secure the CPU heat sink and system fan to the motherboard.

Step 6. Disconnect the system fan power cables from the motherboard.

Step 7. Remove the CPU heatsink and system fan by lifting them up.

Chapter 8. Replacing hardware 31

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Contents IdeaCentre Q180 Hardware Maintenance Manual Page IdeaCentre Q180 Hardware Maintenance Manual Page Contents Iv IdeaCentre Q180Hardware Maintenance Manual About this manual Important Safety InformationIdeaCentre Q180Hardware Maintenance Manual General safety Safety informationElectrical safety IdeaCentre Q180Hardware Maintenance Manual Handling electrostatic discharge-sensitive devices Safety inspection guideGrounding requirements Safety noticesTo Connect To Disconnect Do not≥18 kg37 lbs ≥32 kg70.5 lbs ≥55 kg121.2 lbs General information SpecificationsType IdeaCentre Q180 EnvironmentIdeaCentre Q180Hardware Maintenance Manual General Checkout IdeaCentre Q180Hardware Maintenance Manual Starting the Setup Utility program Using the Setup UtilityViewing and changing settings Using passwordsSetting, changing, or deleting an Administrator password Administrator PasswordSetting, changing, or deleting a Power-On Password Select Save changes and Exit from the menu Enabling or disabling a deviceSelecting a startup device Exiting the Setup Utility programSelecting a temporary startup device Selecting or changing the startup device sequenceUsing the Setup Utility IdeaCentre Q180Hardware Maintenance Manual Hard disk drive boot error Symptom-to-FRU IndexPower Supply Problems Error FRU/ActionUndetermined problems Post error codesPost Error Message Description/Action Locations Locating components, controls and connectorsFront view Rear view Hardware components Identifying parts on the motherboard Replacing hardware Pre-disassembly instructionsGeneral information To replace the optical drive Replacing the optical driveTo remove the computer cover Removing the computer coverTo replace the hard disk drive Replacing the hard disk driveTo replace a memory module Replacing a memory moduleTo remove the power button Removing the power buttonReplacing the Wlan card To replace the Wlan cardTo replace the CPU heatsink and system fan Replacing the CPU heatsink and system fanTo replace the motherboard Replacing the motherboardTo replace the keyboard and mouse Replacing the keyboard and mouseItem # FRUs FRU listsComputer Cover Q180 TOP case module 110200358 Wlan card Hard disk drivesMemory module MotherboardChassis Power buttonSystem fan and heatsink Power management Additional Service InformationAdvanced configuration and power interface Acpi Bios Automatic Power-On features